Which image formats can this converter handle?

Convert between JPG, PNG, WebP, and GIF. BMP and other browser-readable formats can be used as inputs. For SVG, ICO, PDF, TIFF, or AVIF conversion plus 40+ image editing tools, use our larger Image Tools Suite at /tools/image-convertir-ai.

What happens to a transparent PNG when I convert it to JPG?

JPEG does not support transparency. When converting a transparent PNG to JPG, the converter fills all transparent areas with solid white before encoding, preventing the black-fill artifact that naive Canvas converters produce.

Is the converter private — does my image get uploaded?

All conversion happens in your browser using the HTML5 Canvas API. The image is never transmitted to a server. Safe for confidential product photos, medical images, or any sensitive content.

Why should I convert images to WebP?

WebP files are 25–35% smaller than equivalent JPG and up to 50% smaller than equivalent lossless PNG at the same visual quality. Every modern browser supports WebP, so converting site images to WebP cuts page weight and improves Core Web Vitals.

What is the difference between lossy and lossless image formats?

Lossy formats like JPG discard image data to shrink the file. Lossless formats like PNG preserve every pixel. WebP supports both modes. JPG is best for photos; PNG is best for graphics with sharp edges and transparency; WebP is the modern compromise for the web.

Are there any file size limits or watermarks?

No file size limits, no watermark, no per-day quota. Conversion runs entirely in your browser, so the only practical ceiling is your device's available RAM.

What if I also need to compress, resize, or apply filters?

Use the Image Compressor at /tools/image-compressor for size optimization, or the Image Tools Suite at /tools/image-convertir-ai for 50+ converters and editors including resize, crop, watermark, grayscale, and creative filters.

Free Image Converter — JPG, PNG, WebP & GIF Online

Convert images between JPG, PNG, WebP, and GIF directly in your browser. Transparent PNG to JPG fills with white automatically, file sizes are compared side by side, and the converted file downloads in one click. No server upload, no account, no watermark.

Quick Answer

How do I convert an image format online for free?

Upload your image, select your target format (JPG, PNG, WebP, or GIF), click Convert, and download the result. All processing happens locally in your browser — no upload, no account.

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PNG ↔ SVG ↔ JPG ↔ WebP ↔ ICO ↔ PDF ↔ BMP ↔ TIFF ↔ AVIF ↔ GIF and 80+ editing, filtering & social tools. Everything runs locally — your images never leave your device.

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All processing happens in your browser via Canvas API & WebAssembly. Your images never leave your device — ever.

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PNG, JPG, WebP, ICO, PDF, SVG, TIFF, AVIF, BMP, Base64, ASCII and more — all the formats professionals need.

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Built-in presets for Twitter, Instagram, YouTube, LinkedIn, Open Graph and more — perfect dimensions every time.

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FAQ

Frequently Asked Questions

Which conversions lose quality — and which don't

Converting between lossless formats (PNG ↔ WebP lossless ↔ BMP) preserves every pixel — no quality loss. Converting from a lossy format (JPEG) to a lossless one (PNG) does not recover the quality lost during the original JPEG compression — it simply stores the already-degraded pixels losslessly. The file gets larger but no sharper.

Converting from PNG to JPEG always discards the alpha channel (transparency becomes white or black depending on the tool) and applies lossy compression. If your PNG has transparent areas that matter — a logo, an icon, a product shot on a transparent background — JPEG is the wrong target format. Use WebP or keep PNG.

Which format to use in 2026

Scenario	Best format	Why
Photography, hero images	WebP (lossy)	25–34% smaller than JPEG at same visual quality
Logos, icons, illustrations	SVG (vector) or PNG	SVG scales; PNG preserves edges and transparency
Screenshots, UI mockups	PNG or WebP lossless	Crisp text; JPEG blurs edges
Email images	JPEG	Some email clients strip WebP; JPEG is universally safe
Images that will be edited further	PNG	Avoid generation loss from re-saving JPEG
iOS/macOS only targets	HEIC	Native Apple format; 40–50% smaller than JPEG
Print (300 DPI)	JPEG or TIFF at 300+ DPI	Web formats at 72 DPI look blurry in print

How conversion works in the browser

Your image is decoded by the browser's native image decoder, drawn to an HTML Canvas element, then re-encoded to the target format using canvas.toBlob() with the target MIME type. WebP encoding uses the browser's built-in WebP encoder. PNG uses lossless compression. JPEG uses the browser's DCT encoder at the quality level you specify. Nothing is uploaded — conversion happens entirely on your device.

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Convert & Edit Any ImageIn Your Browser